An actuating roller of stainless steel is carried in stainless steel ball bearings for improved handling of lateral forces and jerks. The large roller with diameter of 48mm by stainless steel permits use of this device where belt speeds prevail. All external parts are either of Aluminum alloy or stainless steel has been specially plated. Trip points are adjusted within 15° and 30° resp.

These switches can be provided with a highly impact-resistant dome light which is visible from distance. Besides, the switches can be easily modified to provide alarm for a particularly prepared part. All basic parts such as bolts, shafts, screws, and springs are made of stainless metal (depends on order).The switches are provided with 2 SPDT contacts. For unlatching, the actuating roller is reset by hand. Then the accepted order depends on your product.